Question

1. how are open - end wrenches sized? a) by the total number of points b) by measuring the distance across the points c) by measuring the distance across the flats d) by the depth of the socket 29. an adjustable wrench is recommended when: a) the points of the nut are rounded over. b) you are working with metric fasteners. c) a proper fitting wrench is not available. d) square nuts are used instead of hex nuts.

Explanation:

Open - end wrenches are sized by measuring the distance across the flats of the nut or bolt head they are designed to fit. An adjustable wrench is used when a proper - fitting wrench of the exact size is not available as it can be adjusted to fit different sizes.

Answer:

1. c) by measuring the distance across the flats
2. c) a proper fitting wrench is not available.